Hello… here is what seems to be a rare and unusual 50 amp meter in a very well made wood case. I don’t have any […]
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Heathkit Vacuum Tube Voltmeter 7-A
Heathkit Vacuum Tube Voltmeter Model 7-A Includes cables/probes. includes Original manual. Originally purchased in 1954. The post Heathkit Vacuum Tube Voltmeter 7-A first appeared on […]
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